Following a plugin upgrade (T336666), a build of castor-save-workspace-cache is stall and not processing. Given the job is triggered by most other jobs, that causes everything to stall!
Trace of the executor thread on the controller:
Executor #0 for integration-castor05 : executing castor-save-workspace-cache #3682143 java.base@11.0.18/java.util.WeakHashMap.getEntry(WeakHashMap.java:432) java.base@11.0.18/java.util.WeakHashMap.containsKey(WeakHashMap.java:418) org.jenkinsci.plugins.credentialsbinding.impl.SecretBuildWrapper.getPatternForBuild(SecretBuildWrapper.java:68) org.jenkinsci.plugins.credentialsbinding.impl.SecretBuildWrapper$Filter.lambda$decorateLogger$0(SecretBuildWrapper.java:150) org.jenkinsci.plugins.credentialsbinding.impl.SecretBuildWrapper$Filter$$Lambda$835/0x000000084035b040.get(Unknown Source) org.jenkinsci.plugins.credentialsbinding.masking.SecretPatterns$MaskingOutputStream.eol(SecretPatterns.java:88) hudson.console.LineTransformationOutputStream.eol(LineTransformationOutputStream.java:61) hudson.console.LineTransformationOutputStream.write(LineTransformationOutputStream.java:57) hudson.console.LineTransformationOutputStream.write(LineTransformationOutputStream.java:75) java.base@11.0.18/java.io.PrintStream.write(PrintStream.java:559) java.base@11.0.18/sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:233) java.base@11.0.18/sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:312) java.base@11.0.18/sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104) java.base@11.0.18/java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:181) java.base@11.0.18/java.io.PrintStream.newLine(PrintStream.java:625) java.base@11.0.18/java.io.PrintStream.println(PrintStream.java:883) hudson.model.Cause$UpstreamCause.print(Cause.java:313) hudson.model.Cause$UpstreamCause.print(Cause.java:302) hudson.model.BuildListener.started(BuildListener.java:50) hudson.model.Run.execute(Run.java:1882) hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44) hudson.model.ResourceController.execute(ResourceController.java:107) hudson.model.Executor.run(Executor.java:449)